Analog multiplier using operational amplifiers

被引：0
作者：
Riewruja, Vanchai [1 ]
Rerkratn, Apinai [1 ]
机构：
[1] King Mongkuts Inst Technol Ladkrabang, Fac Engn, Bangkok 10520, Thailand
来源：
INDIAN JOURNAL OF PURE & APPLIED PHYSICS | 2010年 / 48卷 / 01期
关键词：
Analog multiplier; Opamp; Quarter-square technique; Squaring circuit; Class AB configuration; TRANSLINEAR CIRCUIT;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Simple circuit technique for implementing four-quadrant analog multiplier has been presented. The proposed circuit requires only operational amplifier (opamp) as the active element. The realization method is based on the quarter-square technique where a square is provided from the inherent quadratic behaviour of class-AB output stage of opamp. Experimental results showing the circuit performance are described. The wore-case linearity error and total harmonic distortion for maximum operating range are about 0.23 and 1.02%, respectively.
引用
收藏
页码：67 / 70
页数：4
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